unleached

Definitions

from The Century Dictionary and Cyclopedia

Not leached: as applied to wood-ashes, implying an important distinction, since such ashes when unleached, or not exhausted of soluble matter by the action of water, have notable manurial value on account of the potash salts which are present; but the value on this account is almost entirely lost after leaching.

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Examples

By our method the stump is burned and the finest kind of unleached wood ashes -- containing lime to "sweeten" and potash and phosphoric acid to furnish plant food -- are spread upon the ground a few hours after the stumps are blown out.

Scattering dry, unleached wood ashes over the plants as soon as they are up, while they are wet with dew, and continuing this as often as once a week through the month of June, is said to prevent the deposit of eggs on the plants.

The unleached dry excrements of dunghill fowls and pigeons, have five times the fertilising power on all cereal plants that the dry dung of a grass-fed cow has, although the latter has five times more carbon, oxygen, and hydrogen, per 100 pounds, than the former.

At the time the medium for layering the nuts is being prepared, it will be well, if ants are present in the section where the nuts are to be stored, or later placed in nursery bed, to mix a liberal percentage of unleached wood ashes with the sand, sawdust or loam, say one part in five, more or less.

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"Not leached: as applied to wood-ashes, implying an important distinction, since such ashes when unleached, or not exhausted of soluble matter by the action of water, have notable manurial value on account of the potash salts which are present; but the value on this account is almost entirely lost after leaching." -- Cent. Dict.